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FOC | Family List | FOC Vol. 9 | Rosaceae | Stephanandra

2. Stephanandra incisa (Thunberg) Zabel, Gart.-Zeitung (Berlin). 4: 511. 1885.

小米空木 xiao mi kong mu

Spiraea incisa Thunberg in Murray, Syst. Veg., ed. 14, 472. 1784; Stephanandra flexuosa Siebold & Zuccarini.

Shrubs to 2.5 m tall. Branchlets becoming purple-gray; buds glabrous or slightly pubescent at apex. Stipules ovate-lanceolate to long elliptic, ca. 5 mm, margin sparsely toothed, ciliate; petiole 2–5 mm, pubescent; leaf blade ovate to triangular-ovate, 2–4 × 1.5–2.5 cm, abaxially sparsely pubescent, densely on veins, adaxially pubescent, base cordate or truncate, margin doubly serrate, with 4 or 5 pairs of lobes reaching ca. 1/3 way to midvein, apex acuminate. Panicle lax, 2–6 cm in diam.; peduncle and pedicels pubescent; bracts lanceolate, apex obtuse or acute. Flowers 4–5 mm in diam.; pedicel 5–8 mm. Hypanthium sparsely pubescent. Sepals erect or spreading in fruit, triangular to oblong, ca. 2 mm, margin minutely serrate, apex obtuse. Petals obovate, 2–3 mm, apex obtuse. Stamens ca. 10, shorter than petals. Follicle 2–3 mm in diam., pilose, later pubescent. Seed 1, ovoid. Fl. Jun–Jul, fr. Aug–Sep.

Mountain slopes, often by streams; 500--1000 m. Liaoning (Changhai, Xiuyan), E Shandong (Mouping, Qingdao), Taiwan (Hualiangam) [Japan, Korea].

See Neillia incisa (Thunberg) S. Oh (Novon 16: 92. 2006) which was published after the corresponding Flora volume.


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